The present invention relates to an aerosol generating apparatus having a liquid cartridge, and more particularly, to an aerosol generating apparatus capable of adjusting the amount of liquid mist filled in the liquid cartridge. An aerosol generator capable of adjusting the amount of mist according to an embodiment of the present invention includes a liquid cartridge for filling a liquid phase; A heater for vaporizing the liquid phase filled in the liquid cartridge; A conveying unit that discharges the liquid from the liquid cartridge to the heater; A heater unit for generating an electric signal to the heater; An air intake port through which air is introduced from the outside; A passage for transmitting air received from the air inlet to the heater through the heater unit; Adjusting means for adjusting the amount of air delivered to the heater; And a microcontroller for controlling the heater unit and/or the adjusting means to adjust the amount of mist.
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